#include <stdio.h>
int main () {
int a, b ,c, d;
scanf("%d %d %d %d", &a
, &b
, &c
, &d
); if(b > c && d > a && c+d > a+b && c > 0 && d > 0 && a%2==0) (
)
else (
printf("Valores nao aceitos\n"); )
}
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