#include <stdio.h>

int incremento(int x) {
    return x+1;
}

int main() {
    int y1,y2;

    y1 = incremento(3);
    y2 = incremento(y1);
    
    printf("%d\n", y2);
    // oppure 
    printf("%d\n", incremento( incremento(3) ));
    return 0;
}

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