Competitions
PP1 Week 1 Contest 2
Previous number
Read one integer and print the previous integer.
Input
One integer n, no more than 1018 by absolute value.
Output
Print the previous integer.
Input example #1
10
Output example #1
9
Read one integer and print the previous integer.
One integer n, no more than 1018 by absolute value.
Print the previous integer.
10
9