Go: package main

import (
	"bufio"
	"os"
	"strings"
	"strconv"
	"fmt"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	a := make([]int, 4)
	b := make([]int ,4)
	for scanner.Scan() {
		inputa := strings.Split(scanner.Text(), " ")
		for i := range a {
			a[i], _ = strconv.Atoi(inputa[i])
		}
		scanner.Scan()
		inputb := strings.Split(scanner.Text(), " ")
		for i := range b {
			b[i], _ = strconv.Atoi(inputb[i])
		}
		hit := 0
		blow := 0
		if a[0] == b[0] {
			hit++
		}
		if a[1] == b[1] {
			hit++
		}
		if a[2] == b[2] {
			hit++
		}
		if a[3] == b[3] {
			hit++
		}
		if a[0] == b[1] {
			blow++
		}
		if a[1] == b[2] {
			blow++
		}
		if a[2] == b[3] {
			blow++
		}
		if a[1] == b[0] {
			blow++
		}
		if a[2] == b[1] {
			blow++
		}
		if a[2] == b[0] {
			blow++
		}
		if a[3] == b[2] {
			blow++
		}
		if a[3] == b[1] {
			blow++
		}
		if a[3] == b[0] {
			blow++
		}
		if a[0] == b[2] {
			blow++
		}
		if a[1] == b[3] {
			blow++
		}
		if a[0] == b[3] {
			blow++
		}
		fmt.Printf("%d %d\n", hit, blow)
	}
}

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

int hit(int str[],int str2[]){
  int i, j = 0;

  for(i = 0;i < 4;i++){
    if(str[i] == str2[i]){
      j++;
    }
  }

  return j;
}

int blow(int str3[],int str4[]){
  int i, j = 0;

  sort(str3, str3 + 4);
  sort(str4, str4 + 4);

  for(i = 0;i < 4;i++){
    if(str3[i] == str4[i]){
      j++;
    }
  }

  return j;
}

int main(){
  int str[4], str2[4];

  while(scanf("%d %d %d %d", &str[0], &str[1], &str[2], &str[3]) != EOF){ 

    cin >> str2[0] >> str2[1] >> str2[2] >> str2[3];

  int hit_var = hit(str, str2);
  int blow_var = blow(str, str2);

  cout << hit_var << " " << blow_var - hit_var << endl;

  }

  return 0;
}

C++: #include <iostream>

#define SIZE 4

using namespace std;

int main() {
	int a[SIZE], b[SIZE], hit, blo;

	while (cin>>a[0]>>a[1]>>a[2]>>a[3]>>b[0]>>b[1]>>b[2]>>b[3]) {
		hit = 0;
		blo = 0;
		for (int i = 0; i < SIZE; i++) {
			if (a[i] == b[i]) {
				hit++;
				a[i] = -1;
				b[i] = -1;
			}
		}

		for (int i = 0; i < SIZE; i++) {
			for (int j = 0; j < SIZE; j++) {
				if (a[i] == -1 || b[j] == -1) {
					continue;
				}

				if (a[i] == b[j]) {
					a[i] = -1;
					b[j] = -1;
					blo++;
				}
			}
		}
		cout << hit << " " << blo << endl;
	}

	return 0;
}

C++: #include <iostream>
#include <cstdio>
#include <vector>
#include <list>
#include <algorithm>
#include <cmath>
#include <stack>
#include <set>
using namespace std;

#define REP(i,n) for(int (i)=0; (i)<(n); (i)++)
#define FOR(i,a,b) for(int (i)=(a); (i)<(b); (i)++)
#define PUSH(n,v) for(int i=0; i<(n); i++) {int j; cin >> j; v.push_back(j);}
#define ALL(v) v.begin(), v.end()

int main() {
    int s;
    while (cin >> s) {
        int a[4];
        int b[4];
        a[0] = s;
        REP(i,3) cin >> a[i+1];
        REP(i,4) cin >> b[i];
        
        int hit = 0;
        REP(i,4) {
            if (a[i] == b[i]) hit++;
        }
        
        int blow = 0;
        REP(i,4) {
            if (find(begin(a), end(a), b[i]) != end(a)) blow++;
        }
        
        cout << hit << " " << blow - hit;
    }
    return 0;
}

C++: #include<iostream>
#include<array>

int main(){
	
	std::array<int, 4> A;
	while(std::cin >> A[0] >> A[1] >> A[2] >> A[3]){
		std::array<int, 4> B;
		std::cin >> B[0] >> B[1] >> B[2] >> B[3];
		
		int hit = 0;
		int blow = 0;
		for(int i=0; i<4; ++i){
			if( A[i] == B[i] )
				++hit;
			for(int j=i+1; j<4; ++j)
				if( A[i] == B[j] )
					++blow;
		}
		std::cout << hit << " " << blow << std::endl;
	}
	return 0;
}

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

int main() {
	int a[4],b[4];
	int hit,blow;
	
	while(cin>>a[0]>>a[1]>>a[2]>>a[3]>>b[0]>>b[1]>>b[2]>>b[3]){
		hit = blow = 0;
		
		for(int i=0;i<4;++i)if(a[i]==b[i])++hit;
		for(int i=0;i<4;++i)for(int j=0;j<4;++j)if(i!=j)if(a[i]==b[j])++blow;
		
		cout<<hit<<" "<<blow<<endl;
	}
	return 0;
}

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

int a[4], b[4];

int main() {
	while( cin >> a[0] ) {
		int i, j;
		for( i = 1; i < 4; i++ )
			cin >> a[i];
		for( i = 0; i < 4; i++ )
			cin >> b[i];
			
		int hit = 0, blow = 0;
		for( i = 0; i < 4; i++ )
			hit += (a[i] == b[i]);
		
		for( i = 0; i < 4; i++ ) {
			for( j = 0; j < 4; j++ ) {
				if ( a[i] == b[j] ) {
					break;
				}
			}
			blow += (j < 4);
		}
		blow -= hit;
		
		cout << hit << " " << blow << endl;
	}
	return 0;
}

C++: #include <iostream>

using namespace std;

int main() {
	int size = 4;
	int ina[size];
	int inb[size];
	int hit=0, blow=0;
	while(true){
		cin>>ina[0]>>ina[1]>>ina[2]>>ina[3];
		cin>>inb[0]>>inb[1]>>inb[2]>>inb[3];
		if(cin.eof()) break;
		for(int i=0; i<size; i++) {
			if(ina[i] == inb[i]) hit++;
			for(int j=0; j<size; j++){
				if(i==j) continue;
				if(ina[i] == inb[j]) blow++;
			}
		}
		cout<<hit<<" "<<blow<<endl;
	}
	return 0;
}

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

using namespace std;

int main()
{
    int a[4], b[4];
    
    while (~scanf("%d%d%d%d\n%d%d%d%d",&a[0],&a[1],&a[2],&a[3],&b[0],&b[1],&b[2],&b[3])){
        bool c[10] = {};
        for (int i = 0; i < 4; ++i) c[a[i]] = true;
        int hit = 0, blow = 0;
        for (int i = 0; i < 4; ++i) {
            if (a[i] == b[i]) hit++;
            else if (c[b[i]]) blow++;
        }
        printf("%d %d\n", hit, blow);
    }
}

C++: #include<vector>
#include<iostream>
using namespace std;
int main() {
	int code[4], line, hit, bro;
	while (true) {
		hit = 0;
		bro = 0;
		for (int i = 0; i < 4; ++i) {
			cin >> code[i];
		}#include<vector>
#include<iostream>
using namespace std;
int main() {
	int code[4], line, hit, bro;
	while (cin>>code[0]) {
		hit = 0;
		bro = 0;
		for (int i = 1; i < 4; ++i) {
			cin >> code[i];
		}
		for (int i = 0; i < 4; ++i) {
			cin >> line;
			if (code[i] == line) {
				++hit;
			}
			else {
				for (int i2 = 0; i2 < 4; ++i2) {
					if (code[i2] == line) {
						++bro;
					}
				}
			}
		}
		cout << hit << " " << bro << endl;
	}
	return 0;
}
		for (int i = 0; i < 4; ++i) {
			cin >> line;
			if (code[i] == line) {
				++hit;
			}
			else {
				for (int i2 = 0; i2 < 4; ++i2) {
					if (code[i2] == line) {
						++bro;
					}
				}
			}
		}
		cout << hit << " " << bro << endl;
	}
	return 0;
}

C++: #include <iostream>

using namespace std;

int main() {
	int a[4], b[4];
	while (1) {
		for (int i=0; i<4; ++i) cin >> a[i];
		for (int i=0; i<4; ++i) cin >> b[i];

		if (cin.eof()) break;

		int hit = 0, blow = 0;
		for (int i=0; i<4; ++i) {
			for (int j=i; j<4; ++j) {
				if (a[i] == b[j] && i == j) {
					hit ++;
				} else if (a[i] == b[j]) {
					blow ++;
				}
			}
		}

		cout << hit << " " << blow << endl;
	}
}

C++: #define _USE_MATH_DEFINES
#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cmath>
#include<list>
#include<stack>
#include<queue>
#include<cctype>
#include<iomanip>
#include<functional>
#include<numeric>
#define EPS 1e-10
using namespace std;
typedef long long llong;
int main() {
	int a[4], b[4];
	while (cin >> a[0] >> a[1] >> a[2] >> a[3] >> b[0] >> b[1] >> b[2] >> b[3]) {
		int hit = 0, blow = 0;
		for (int i = 0; i < 4; i++) {
			if (a[i] == b[i])hit++;
			for (int j = 0; j < 4; j++) {
				if (i == j)continue;
				if (a[i] == b[j])blow++;
			}
		}
		cout << hit << " " << blow << endl;
	}
	return 0;
}