#include "bits/stdc++.h" using namespace std; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL; typedef vector vi; typedef pair pii; typedef vector > vpii; typedef long long ll; template static void amin(T &x, U y) { if (y < x) x = y; } template static void amax(T &x, U y) { if (x < y) x = y; } int main() { string S; while (cin >> S) { int a = S[0] - '0', b = S[1] - '0', n = (int)S.size() - 1; if (S[2] >= '5') { if (++ b > 9) { b = 0; if (++ a > 9) a = 1, ++ n; } } printf("%d.%d*10^%d\n", a, b, n); } return 0; }