#include <stdio.h>
#include <math.h>
int main() {
  long double N;
  scanf("%Lg",&N);
  int N10 = log(N)/log(10);
  float head = N/pow(10,N10);
  if( head>9.95 ) {
    head /= 10;
    N10++;
  }
  printf("%.1f*10^%d\n",head,N10);
  return 0;
}