#include <stdio.h>
int function(int a){
int r;
if(a==0){
return 0;
}
else{
r = function(a-1) * function(a-1) + 1;
return r;
}
}
int main(void) {
int i = 1;
for(i;i<=6;i++){
}
return 0;
}
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