#include <stdio.h>#include<string.h>int main(){ int i,n=0; char str[101]={}; gets(str); for( i=0 ; str[i]!=NULL ; i++ ) { if( str[i]=='l'&&str[i]=='o'&&str[i]=='v'&&str[i]=='e' ) { n=n+1; } } printf("%d",n); return 0;}