#include <stdio.h>

int main() {
    int t, v[5], correto = 0;
    int i;
    
    scanf("%d", &t);
    
    if (1 <= t && t <= 4) {
        for (i = 0; i < 5; i++) {
            scanf("%d", &v[i]);
            if (v[i] == t) {
                correto++;
            }
        }
    }
    
    printf("%d", correto);
 
    return 0;
}

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