Language: C++

#include<stdio.h>
int main()
{
????????int i, j, x, y, z;
????????scanf("%d %d %d", &x, &y, &z);
????????if (x <= y && y <= z && x<=z) {
????????????????????????printf("Yes\n");
????????????????}
????????else{
????????????????printf("No\n");
??????????????????
????????}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:1: error: expected primary-expression before '?' token
    4 | ????????int i, j, x, y, z;
      | ^
a.cc:4:2: error: expected primary-expression before '?' token
    4 | ????????int i, j, x, y, z;
      |  ^
a.cc:4:3: error: expected primary-expression before '?' token
    4 | ????????int i, j, x, y, z;
      |   ^
a.cc:4:4: error: expected primary-expression before '?' token
    4 | ????????int i, j, x, y, z;
      |    ^
a.cc:4:5: error: expected primary-expression before '?' token
    4 | ????????int i, j, x, y, z;
      |     ^
a.cc:4:6: error: expected primary-expression before '?' token
    4 | ????????int i, j, x, y, z;
      |      ^
a.cc:4:7: error: expected primary-expression before '?' token
    4 | ????????int i, j, x, y, z;
      |       ^
a.cc:4:8: error: expected primary-expression before '?' token
    4 | ????????int i, j, x, y, z;
      |        ^
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:4:9: error: expected ':' before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
      |         :
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:4:9: error: expected ':' before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
      |         :
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:4:9: error: expected ':' before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
      |         :
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:4:9: error: expected ':' before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
      |         :
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:4:9: error: expected ':' before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
      |         :
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:4:9: error: expected ':' before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
      |         :
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:4:9: error: expected ':' before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
      |         :
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:4:9: error: expected ':' before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
      |         :
a.cc:4:9: error: expected primary-expression before 'int'
    4 | ????????int i, j, x, y, z;
      |         ^~~
a.cc:5:1: error: expected primary-expression before '?' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      | ^
a.cc:5:2: error: expected primary-expression before '?' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |  ^
a.cc:5:3: error: expected primary-expression before '?' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |   ^
a.cc:5:4: error: expected primary-expression before '?' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |    ^
a.cc:5:5: error: expected primary-expression before '?' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |     ^
a.cc:5:6: error: expected primary-expression before '?' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |      ^
a.cc:5:7: error: expected primary-expression before '?' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |       ^
a.cc:5:8: error: expected primary-expression before '?' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |        ^
a.cc:5:28: error: 'x' was not declared in this scope
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                            ^
a.cc:5:32: error: 'y' was not declared in this scope
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                ^
a.cc:5:36: error: 'z' was not declared in this scope
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                    ^
a.cc:5:38: error: expected ':' before ';' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                      ^
      |                                      :
a.cc:5:38: error: expected primary-expression before ';' token
a.cc:5:38: error: expected ':' before ';' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                      ^
      |                                      :
a.cc:5:38: error: expected primary-expression before ';' token
a.cc:5:38: error: expected ':' before ';' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                      ^
      |                                      :
a.cc:5:38: error: expected primary-expression before ';' token
a.cc:5:38: error: expected ':' before ';' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                      ^
      |                                      :
a.cc:5:38: error: expected primary-expression before ';' token
a.cc:5:38: error: expected ':' before ';' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                      ^
      |                                      :
a.cc:5:38: error: expected primary-expression before ';' token
a.cc:5:38: error: expected ':' before ';' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                      ^
      |                                      :
a.cc:5:38: error: expected primary-expression before ';' token
a.cc:5:38: error: expected ':' before ';' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                      ^
      |                                      :
a.cc:5:38: error: expected primary-expression before ';' token
a.cc:5:38: error: expected ':' before ';' token
    5 | ????????scanf("%d %d %d", &x, &y, &z);
      |                                      ^
      |                                      :
a.cc:5:38: error: expected primary-expression before ';' token
a.cc:6:1: error: expected primary-expression before '?' token
    6 | ????????if (x <= y && y <= z && x<=z) {
      | ^
a.cc:6:2: error: expected primary-expression before '?' token
    6 | ????????if (x <= y && y <= z && x<=z) {
      |  ^
a.cc:6:3: error: expected primary-expression before '?' token
    6 | ????????if (x <= y && y <= z && x<=z) {
      |   ^
a.cc:6:4: error: expected primary-expression before '?' token
    6 | ????????if (x <= y && y <= z && x<=z) {
      |    ^
a.cc:6:5: error: expected primary-expression before '?' token
    6 | ????????if (x <= y && y <= z && x<=z) {
      |     ^
a.cc:6:6: error: expected primary-expression before '?' token
    6 | ????????if (x <= y && y <= z && x<=z) {
      |      ^
a.cc:6:7: error: expected primary-expression before '?' token
    6 | ????????if (x <= y && y <= z && x<=z) {
      |       ^
a.cc:6:8: error: expected primary-expression before '?' token
    6 | ????????if (x <= y && y <= z && x<=z) {
      |        ^
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:6:9: error: expected ':' before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
      |         :
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:6:9: error: expected ':' before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
      |         :
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:6:9: error: expected ':' before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
      |         :
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:6:9: error: expected ':' before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
      |         :
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:6:9: error: expected ':' before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
      |         :
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:6:9: error: expected ':' before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
      |         :
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:6:9: error: expected ':' before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
      |         :
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:6:9: error: expected ':' before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
      |         :
a.cc:6:9: error: expected primary-expression before 'if'
    6 | ????????if (x <= y && y <= z && x<=z) {
      |         ^~
a.cc:9:1: error: expected primary-expression before '?' token
    9 | ????????else{
      | ^
a.cc:9:2: error: expected primary-expression before '?' token
    9 | ????????else{
      |  ^
a.cc:9:3: error: expected primary-expression before '?' token
    9 | ????????else{
      |   ^
a.cc:9:4: error: expected primary-expression before '?' token
    9 | ????????else{
      |    ^
a.cc:9:5: error: expected primary-expression before '?' token
    9 | ????????else{
      |     ^
a.cc:9:6: error: expected primary-expression before '?' token
    9 | ????????else{
      |      ^
a.cc:9:7: error: expected primary-expression before '?' token
    9 | ????????else{
      |       ^
a.cc:9:8: error: expected primary-expression before '?' token
    9 | ????????else{
      |        ^
a.cc:9:9: error: expected primary-expression before 'else'