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[AtCoder]ABC-126|A - Changing a Character
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提出結果
def getIntMap():
return map(int, input().split())
def getString():
return input()
def main():
n, k = getIntMap()
s = list(getString())
s[k - 1] = s[k - 1].lower()
print("".join(s))
if __name__ == "__main__":
main()
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