#include <stdio.h>

void fib7() {
    int fibo[8];
    fibo[0] = 1;
    fibo[1] = 1;
    for(int pos = 2; pos < 8; ++pos)
        fibo[pos] =
            fibo[pos - 1]
            + fibo[pos - 2];
    printf("%d\n", fibo[7]);
}

int main(void) {
    fib7();
    return 0;
}