Go: package main

import "fmt"


func main() {
	for i := 1; i <= 9; i++ {
		for i2 := 1; i2 <= 9; i2++ {
			fmt.Printf("%d ?? %d = %d\n", i, i2, i*i2)
		}
	}
}

C++: #include<iostream>

int main(){
	int a,b;
	for(a=1;a<10;a++){
		for(b=1;b<10;b++){
			std::cout<<a<<"x"<<b<<"="<<a*b<<std::endl;
			}
		}
	return 0;
			}

C++: 
#include<iostream>
using namespace std;

int main(void)
{
	int l, r;
	for(int i = 1; i < 81; i++)
	{
		l = i/9+1;
		r = i%9+1;
		cout << l << 'x' << r << '=' << l*r << endl;
	}
	return 0;
}

C++: #include <iostream>
using namespace std;

int main() {
	for (int i = 1; i <= 9; i++) for (int j = 1; j <= 9; j++) {
		cout << i << "x" << j << "=" << i * j << endl;
	}
	return 0;
}

C++: #include<stdio.h>

int main(){

int multiplicando=1;
int multiplicador=1;
int resultado;

printf("\n **********Tablas de multiplicar**********");

while (multiplicando<=10)

{

while (multiplicador<=10)

{

resultado = multiplicando * multiplicador;

printf("\n %d",multiplicando);
printf(" * %d",multiplicador);
printf(" = %d",resultado);
multiplicador = multiplicador + 1 ;
}

multiplicando = multiplicando + 1 ;
}
    return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
    int i,j;   
    for(i=1;i<10;i++){
        for(j=1;j<11;j++){
            cout<<i<<"*"<<j<<"="<<i*j<<endl;
        }
    }
    return 0;
}

C++: #include<iostream>
using namespace std;
int main()
{
    int i,j;
    for(i=1;i<10;i++){
        for(j=1;j<10;j++){
            cout<<i<<"x"<<j<<"="<<i*j<<endl;
        }
    }

    return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#define FOR(i, s, n) for(int i = s; i < (int)n; i++)
#define per(i, n) for(int i = n; i >= 0; i--)
#define ROF(i, s, n) for(int i = s; i >= (int)n; i--)
#define FORIT(i, A) for (auto i : A)
#define PRINT(x) cout << (x) << "\n"
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define MP make_pair
#define EACH(i, n) for (__typeof((n).begin()) i = (n).begin(); i != (n).end(); ++i)
#define SZ(a) int((a).size())
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define CLR(a) memset((a), 0 ,sizeof(a))
#define NCLR(a) memset((a), -1 ,sizeof(a))
#define dump(x) cout << #x << " = " << (x) << "\n";
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << "\n";
#define sq(n) (n) * (n)
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef priority_queue<int> maxpq;
typedef priority_queue< int, vector<int>, greater<int> > minpq;
typedef complex<double> P;
static const double EPS = 1e-10;
static const double PI = acos( -1.0 );
static const int mod = 1000000007;
static const int INF = 1 << 29;
static const LL LL_INF = 1152921504606846976;
static const int dx[] = { -1, 0, 1, 0, 1, -1, 1, -1 };
static const int dy[] = { 0, -1, 0, 1, 1, 1, -1, -1 };


int main() {
#ifdef _DEBUG
	printf( "debug\n" );
#endif
	for ( int i = 1; i < 10; i++ ) {
		for ( int j = 1; j < 10; j++ ) {
			printf( "%dx%d=%d\n", i, j, i * j );
		}
	}
	return 0;
}

C++: 
#include<stdio.h>
using namespace std;

int main()
{
	for (int i = 1; i <= 9; i++)
	{
		for (int j = 1; j <= 9; j++)
		{
			printf("%d??%d=%d\n",i,j,i*j);
		}
	}
	return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
  for(int i = 1 ; i <= 9 ; i++ ){
    for(int t = 1 ; t <= 9 ; t++){
      cout << i << " x " << t << " = " << i*t << endl;
    }
  }
  return 0;
}

C++: #include <iostream>
using namespace std;

int main(){

 for(int y = 1; y < 10; y++){
  for(int x = 1: x < 10; x++){
   cout << y << "x" << x << "=" << x*y << endl;
   
  }
 }

 return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
  for(int i=1;i<10;i++){
    for(int j=1; j<10; j++){
      cout<< i << "×" << j << "=" << i*j << endl;
    }
  }
  return 0;
}

C++: 
#include <iostream>
using namespace std;
 
int main(){
  for(int i=0; i<10;++i){
    for(int j=0; j<10; ++j){
      cout << i << "x" << j << "=" << i*j << endl;
    }
  }
  
  return 0;
}

C++: #include<cstdio>
#include<cmath>
#define EPS 1e-8
typedef long long LL;
LL MAX(LL x, LL y) {
	return x > y ? x : y;
}
LL Gao(LL x) {
	LL temp, cnt, ans;
	if (x < 0)
		return 0;
	if (x < 4)
		return 1;
	cnt = temp = (LL) ((sqrt(1.0 + x) - 1) / 2 + EPS);
	//printf("cnt: %lld\n", cnt);
	temp *= 4;
	ans = (temp + 4) * cnt / 2 + cnt;
	//printf("ans: %lld\n", ans);
	return ans + 1 + MAX(x - ((cnt + 1) * cnt * 4 + (cnt + 1) * 4), 0);
}
int main() {
	LL a, b, ans;
	while (~scanf("%lld%lld", &a, &b)) {
		ans = Gao(b) - Gao(a - 1);
		printf("%lld\n", ans);
	}
	return 0;
}

C++: #include<iostream>

using namespace std;

int main(void){
  for(int i=1;i<10;i++){
   for(int j=1;j<10;j++){
     cout << i << 'x' <<j<< '=' << i*j << endl;
   }
  }
  return 0;
}

C++: <?php
for ( $i = 1; $i <= 9; ++ $i ) {
  for ( $j = 1; $j <= 9; ++ $j ) {
    echo "" . $i . "x" . $j . "=" . $i * $j;
  }
}
?>

C++: #include<iostream>
using namespace std;
int qql(int x,int y){
	cout<<x<<"x"<<y<<"="<<x*y<<endl;
}
int main(){
	int x,y;
	for(x = 1;x < 10;x ++){
		for(y = 1;y < 10;y ++){
			qql(x,y);
		}
	}
	return 0;
}

C++: #include <iostream>

using namespace std;

int main() {

	int i, j;

	for(i=1; i<10; i++) {
		for(j=1; j<10; j++) {
			cout << i << "x" << j << "=" << i*j <<endl;
		}
	}

}

C++: #include<bits/stdc++.h>

using namespace std;

main(){
	for (int i = 1; i < 10; i++) {
		for (int b = 1; b < 10; b++){
			printf("%dx%d=%d\n",i,b,i*b);
	}
}
}

C++: #include <cstdio>

int main() {
  for (int i=1;i<=9;i++) {
    for (int j=1;j<=9;j++) {
      printf("%dx%d=%d\n", i, j, i*j);
    }
  }
  return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
	for(int a=1;a<=9;a++){
		for(int b=1;b<=9;b++){
             cout<<a<<'x'<<b<<'='<<a*b<<endl;
		}
	}
    return 0;
}

C++: #include <iostream>
 
using namespace std;
 
int main(){
    for (int i = 1; i < 10; i++){
        for (int j = 1; j < 10; j++){
            cout << i << "x" << j << "=" << (i*j) << endl;
        }
    }
    return 0;
}

C++: #include <iostream>
using namespase std;

int main(void){


for(int i=1;i<=9;i++){
 for(int j=1;j<=9;j++){
cout <<ixj=i*j;
 }
return 0;
}


}

C++: #include<stdio.h>

int main()
{
	for(int i = 1; i < 10; i++ )
	{
		for(int j = 1; j < 10; j++)
		{
			printf("%dx%d=%d\n", i, j, i*j);
		}
	}
	return 0;
}

C++: #include <iostream>
using namespace std;

int main() {
	for(int j = 1; j <= 9; j++) {
		for(int i = 1; i <= 9; i++) {
			cout << j << "x" << i << "=" << i*j << endl;
		}
	}
}

C++: #include<stdio.h>
int a, b;int main(){for(a=1;a<=9;a++)for(b=1;b<=9;b++)printf("%dx%d=%d\n",a,b,a*b);return 0;}

C++: #include<iostream>
using namespace std;

int main(){
	for(int i=1;i<10;i++){
		for(int j=1;j<10;j++){
			cout<<i<<"x"<<j<<"="<<i*j;
			cout<<endl;
		}
	}
	return 0;
}

C++: #include<stdio.h>

int main(void)
{
	int i, j, a;
	for(i=1; i<=9; i++)
	{
		for(j=1; j<=9; j++)
		{
			a=i*j;
			printf("%dx%d=%d\n", i, j, a);
		}
	}
	
	return 0;
}

C++: 
#include <iostream>
int main(void)
{
for ( int i = 1; i<=9; i++ )
{
for ( int j = 1; j <=9; j++ )
{
std::cout << i << "x" << j << "=" << i*j << std::endl;
}
}
return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;

int main(){
	for(int i = 1; i<10; i++)
		for(int j = 1; j<10; j++)
			cout << i << "x" << j << "=" << i*j << "\n";
    return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
    for(int i=1;i<10;i++)
        for(int j=1;j<10;j++)
            cout<<i<<"x"<<j<<"="<<i*j<<endl;
}

C++: #include <iostream>
using namespace std;

int main() {
    int x, y;
    string str;
    for(x = 1; x < 10; x++){
        for(y = 1; y < 10; y++){
            str = to_string(x) + "x" + to_string(y) + "=" + to_string(x*y);
            cout << str << endl;
        }
    }
}