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22 lines
401 B
C++
22 lines
401 B
C++
// RR36448329
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#include <bits/stdc++.h>
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using namespace std;
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int s1, s2, s3;
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int main() {
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scanf("%d%d%d", &s1, &s2, &s3);
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if (s3 > s1 + s2) {
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printf("%d", s1 + s2 + 1);
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} else if (s2 > s1 + s3) {
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printf("%d", s1 + s3 + 1);
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} else if (s1 > s3 + s2) {
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printf("%d", s3 + s2 + 1);
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} else {
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printf("%d", (s1 + s2 + s3 + 3) / 2);
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}
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return 0;
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}
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