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1898. Last occurence

Time Limit:	1 seconds
Memory Limit:	262144KB
Points:	100

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Problem added debug

В строке str заменить последнее вхождение строки sub на строку rep.

Input

Вводится вначале строка str, затем строка sub, затем строка rep

Output

Выведите одну строку - результат замены

Sample

Input	Output
abcdebcdx bcd fgh	abcdefghx

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Problem discussion

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1897. 4 - Number of occurrences

1898.

1899. 6 - Doubling of character

1900. 7 - Removing of extra spaces

1901. 8 - Check of brackets

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1897. 04 - Number of occurrences

1898.

1899. 06 - Doubling of character

1900. 07 - Removing of extra spaces

1901. 08 - Check of brackets

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1353. 04 - 16 -> 20

1898.

time generating 0.093 sec.

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