#include <stdio.h>

int a = 0 , b = 1;

int fun(int x) {
    int b = 2;

    return a + b + x; // return 0 + 2 + 0
}

void proc() {
    int a;

    a = b + 1;
    printf("%c",'a' + a);
}

void main(void) {
    int b = 1;

    proc();
    printf("%d", fun(a) );
}

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