#include <stdio.h>
#include <stdlib.h>

int arvuta(int a, int b);
void prindi();



int main(void)
{
    int a, b;
    arvuta(a, b);
    prindi();
    return 0;
}

int arvuta(int a, int b)
{
    int c;
    a=5;
    b=4;
    c = a + b;
    return c;
}

void prindi()
{
    printf("arv c on %d", arvuta());
}