printf("%.0f\n", 100.5);  # 100
printf("%.0f\n", 101.5);  # 102
printf("%.0f\n", 102.5);  # 102
printf("%.0f\n", 103.5);  # 104
printf("%.0f\n", 104.5);  # 104
printf("%.0f\n", 105.5);  # 106