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#!/usr/bin/python3
# coding: UTF-8

import math

b = 5
c = 2

# 余り
a = b%c
print(a)

# 商(切り捨て
a = b//c
print(a)

# 切り上げ
a = math.ceil(b/c)
print(a)

y = -5
# 絶対値を返す
x = math.fabs(y)
print(x)

# 円周率
print(math.pi)