7133: ABC268 —— A - Five Integers
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Description
Print how many distinct integers there are in given five integers $A, B, C, D$, and $E$.
Input
Input is given from Standard Input in the following format:
$A\ B\ C\ D\ E$
$A\ B\ C\ D\ E$
Output
Print the answer.
Constraints
$0≤A,B,C,D,E≤100$
All values in input are integers.
All values in input are integers.
Sample 1 Input
31 9 24 31 24
Sample 1 Output
3
In the given five integers $31, 9, 24, 31$, and $24$, there are three distinct integers $9, 24$, and $31$.
Thus, 3 should be printed.
Thus, 3 should be printed.
Sample 2 Input
0 0 0 0 0
Sample 2 Output
1