#include <stdio.h>

int a = 3;
int b = 7;
int x;

int main() {

        scanf("%d",&x);
        if( (x > a) && (x < b) ) {
            printf("%d sta in I(%d,%d)\n",x,a,b);
        } else {
            printf("%d non sta in I(%d,%d)\n",x,a,b);
        }
        if( x <= a ) {
            printf("%d sta in I(-inf,%d]\n",x,a);
        }
        if( x >= b ) {
            printf("%d sta in I[%d,+inf)\n",x,b);     
        }
}

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