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345. Subtract two numbers


Problem Statement:
You will be given two numbers x and y. Print the remaining value after subtracting y from x


Input Format:
two integer numbers x and y separated by coma

1 < x < 1000
1 < y < 9


Output Format:
single number represent the value of x - y


Sample Input:
23,5


Sample Output:
18





Added by: gammal
Added at: 2015-02-02 19:14:10 UTC
Time Limit: 1 second
Partial score: No