# 读取输入并分割为三个部分 a, op, b = input().split() a = int(a) b = int(b) # 根据运算符进行计算 if op == '+': print(a + b) elif op == '-': print(a - b) elif op == '*': print(a * b) elif op == '/': # 检查是否能整除 if a % b == 0: print(a // b) else: print(a / b)