print("10")
print(10)
print(1, 0, -2, 133541513553)
print(10.2, 2.5, -3.5, 1.235563)

print(2+5)
print(5-2)
print(2-5)
print(2*5)
print(2/5)
print(10/3)
print(2+5, 5-2, 2-5, 2*5, 2/5, 10/3)
print("2+5")

print(6//4)
print(6%4)

print(0/1)
print("나눗셈을 할 때 분모에 0이 오면 안됨")

print(1+2+3+4+5)
print((5+10+15)/3)
print("6+4=",6+4)