#include <stdio.h>
int main(void) {
int f1 = 1;
int fn = 1;
printf("%d ", f1
== 0 && fn
== 1); printf("%d ", !(f1
== 0 && fn
== 1)); printf("%d\n", f1
!= 0 || fn
!= 1); f1 = 0;
printf("%d ", f1
== 0 && fn
== 1); printf("%d ", !(f1
== 0 && fn
== 1)); printf("%d\n", f1
!= 0 || fn
!= 1); while (f1 != 0 || fn != 1);
}
//https://pt.stackoverflow.com/q/327407/101
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