printf("%d\n", 100/6); 16
printf("%d\n", 100%6); 4
printf("%d\n", 0x1A*015); 26*13 338
printf("%d\n", -3/5); 0
printf("%d\n", -31/5); -6
printf("%d\n", -31%5); -1
printf("%d\n", 100*(3/5)); 0
printf("%d\n", 100*3/5); 60
printf("%d\n", 2-3-5); -6
printf("%d\n", 2-(3-5)); 4